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Finding the Fourth Proportional to 383,750.81, 575,627.57 and 117,510.16

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Solution

The fourth proportional to 383,750.81, 575,627.57 and 117,510.16 is: 176,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,750.81 : 575,627.57 = 117,510.16 : x
  2. Step 2: Convert to fraction form
    383,750.81/575,627.57 = 117,510.16/x
  3. Step 3: Cross multiply
    383,750.81x = 575,627.57 × 117,510.16
  4. Step 4: Simplify right side
    383,750.81x = 67,642,087,851.11
  5. Step 5: Solve for x
    x = 67,642,087,851.11/383,750.81
  6. Step 6: Final answer
    x = 176,265.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.